/**
 *    Copyright (C) 2024-present MongoDB, Inc.
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the Server Side Public License, version 1,
 *    as published by MongoDB, Inc.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    Server Side Public License for more details.
 *
 *    You should have received a copy of the Server Side Public License
 *    along with this program. If not, see
 *    <http://www.mongodb.com/licensing/server-side-public-license>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the Server Side Public License in all respects for
 *    all of the code used other than as permitted herein. If you modify file(s)
 *    with this exception, you may extend this exception to your version of the
 *    file(s), but you are not obligated to do so. If you do not wish to do so,
 *    delete this exception statement from your version. If you delete this
 *    exception statement from all source files in the program, then also delete
 *    it in the license file.
 */

#include "mongo/s/request_types/update_zone_key_range_serialization.h"

#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/util/assert_util.h"

#include <boost/optional/optional.hpp>

namespace mongo {

boost::optional<std::string> stringOrNullParseFromBSON(const BSONElement& elem) {
    if (elem.isNull()) {
        return boost::none;
    }
    if (elem.type() == BSONType::string) {
        return elem.str();
    }

    uasserted(ErrorCodes::TypeMismatch,
              fmt::format("Could not deserialize StringOrNull with type {}", elem.type()));
}

void stringOrNullSerializeToBSON(const boost::optional<std::string>& stringOrNull,
                                 StringData fieldName,
                                 BSONObjBuilder* bob) {
    if (stringOrNull) {
        bob->append(fieldName, *stringOrNull);
    } else {
        bob->appendNull(fieldName);
    }
}

}  // namespace mongo
